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26062 Citrate, 24 Hour Urine (0020852)

Citrate, 24 Hour Urine (0020852)
Test Code: CITRTSO
Synonyms/Keywords
Citrate
Citric Acid, Random Urine
Citric Acid,  Urine
Citric Acid/Creatinine Ratio, Random Urine
Urinary Citrate Excretion
Test Components
Citric Acid-per 24hr
Citric Acid/Creatinine Ratio, Urine
Useful For
24 hour urine citrate
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
​No ​24 Hour Urine ​Urine Jug ​Transfer tub ​4.0 mL ​0.5 mL
Collection Processing Instructions

Collect 24-hour urine.  Refrigerate during collection.  Also acceptable:  Random urine.

Adjust pH to less than or equal to 2 by adding 6M HCl. Transfer a 4 mL aliquot of urine to a Standard Transport Tube. (Min: 0.5 mL) Record total volume, collection time interval, and pH on transport tube and test request form. Also acceptable: Specimens previously preserved with boric acid.

Storage/Transport Temperature:  Refrigerated

For sites that do not have access to HCl, the urine can be poured off into a sage cup and sent to Marshfield Labs at refrigerated temperatures for preservation prior to submission to ARUP. 

Specimen Stability Information
Specimen Type Temperature Time
​Urine ​Frozen Indefinitely
​Room Temperature ​8 hours
​Refrigerated ​1 week
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​ARUP Laboratories ​Daily 1 day ​Quantitative Enzymatic
Reference Lab
Reference Range Information
Performing Location Reference Range
​ARUP Citric Acid, Urine – per 24h:  18 years and older: 320-1240 mg/d
Citric Acid/Creatinine Ratio, Urine:  1 year and older: greater than or equal to 150 mg/g.
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​82507 ​1
Synonyms/Keywords
Citrate
Citric Acid, Random Urine
Citric Acid,  Urine
Citric Acid/Creatinine Ratio, Random Urine
Urinary Citrate Excretion
Test Components
Citric Acid-per 24hr
Citric Acid/Creatinine Ratio, Urine
Ordering Applications
Ordering Application Description
​Clinical Order Manager ​Citrate, 24Hour Urine (0020852)
​Cerner ​Citrate, 24Hour Urine (0020852)
​Centricity ​Citrate, 24Hour Urine (0020852)
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
​No ​24 Hour Urine ​Urine Jug ​Transfer tub ​4.0 mL ​0.5 mL
Collection Processing

Collect 24-hour urine.  Refrigerate during collection.  Also acceptable:  Random urine.

Adjust pH to less than or equal to 2 by adding 6M HCl. Transfer a 4 mL aliquot of urine to a Standard Transport Tube. (Min: 0.5 mL) Record total volume, collection time interval, and pH on transport tube and test request form. Also acceptable: Specimens previously preserved with boric acid.

Storage/Transport Temperature:  Refrigerated

For sites that do not have access to HCl, the urine can be poured off into a sage cup and sent to Marshfield Labs at refrigerated temperatures for preservation prior to submission to ARUP. 

Specimen Stability Information
Specimen Type Temperature Time
​Urine ​Frozen Indefinitely
​Room Temperature ​8 hours
​Refrigerated ​1 week
Useful For
24 hour urine citrate
Test Components
Citric Acid-per 24hr
Citric Acid/Creatinine Ratio, Urine
Reference Range Information
Performing Location Reference Range
​ARUP Citric Acid, Urine – per 24h:  18 years and older: 320-1240 mg/d
Citric Acid/Creatinine Ratio, Urine:  1 year and older: greater than or equal to 150 mg/g.
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​ARUP Laboratories ​Daily 1 day ​Quantitative Enzymatic
Reference Lab
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​82507 ​1
For most current information refer to the Marshfield Laboratory online reference manual.